Resistors of

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

Resistors of

5\,\Omega

,

10\,\Omega

and an unknown resistance

R

are connected in parallel to a

20\,\text{V}

source. The total current supplied by the source is

10\,\text{A}

. What is the value of the unknown resistance

R

? (a)

6\,\Omega

(b)

2\,\Omega

(c)

2.5\,\Omega

(d)

5\,\Omega

Related theory

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